Hongkongers packed the aisles of supermarkets with carts full of daily necessities as the city’s major grocery chains engaged in what some called a “price war” ahead of Mother’s Day. CK Hutchison Holdings-backed ParknShop and Jardine Matheson’s Wellcome each offered 12 per cent off everything in their stores for those who spent a certain amount on Saturday. HKTVmall, the city’s popular online shopping platform, entered the fray and offered an even bigger discount – up to 15 per cent off – for...